. >> i think romney will turn the economy around but it's the other issues that we don't know about. >> reporter: like what? >> like the medicare, health care issues. >> reporter: in haymarket, virginia, life-long republican dan stapleton echoes fears about the romney/ryan ticket. >> i think they want to change ot so dramatically that we won't recognize it quite as medicare once they're done. >> reporter: by balancing the ticket with ryan, an advocate of major changes to entitlement programs, romney has prompted haestions on what he would do about medicare. ro now mitt romney's attacking the president on medicare? >> reporter: and he's also opened the door to an avalanche of democratic attack ads. >> analysts say it could raise seniors' costs up to $6,400 a year. >> reporter: today a spokesperson for the romney campaign called these latest medicare issues "er" because his plan was not adequately explained in the questions. sut, scott, the responses are relevant to romney's hopes. >> pelley: dean, thanks very much. both candidates have had their plans distorted in a torrent of negativ